package com.foryou.system.common.utils;



import com.fasterxml.jackson.annotation.JsonInclude;
import com.foryou.system.common.enums.ResultEnum;
import org.springframework.http.HttpStatus;

import java.util.HashMap;
import java.util.Map;

/**
 * 返回数据
 *
 * Created by LJX
 * 2017/12/16 0016 下午 9:43
 */
@JsonInclude(JsonInclude.Include.NON_NULL)
public class R extends HashMap<String, Object> {
	private static final long serialVersionUID = 1L;
	
	public R() {
		put("code", 0);
	}
	
	public static R error() {
		return error(HttpStatus.INTERNAL_SERVER_ERROR.value(), "未知异常，请联系管理员");
	}
	
	public static R error(String msg) {
		return error(HttpStatus.INTERNAL_SERVER_ERROR.value(), msg);
	}

	public static R error(ResultEnum resultEnum) {
		R r = new R();
		r.put("code", resultEnum.getCode());
		r.put("msg", resultEnum.getMsg());
		return r;
	}

	public static R error(int code, String msg) {
		R r = new R();
		r.put("code", code);
		r.put("msg", msg);
		return r;
	}

	public static R ok(String msg) {
		R r = new R();
		r.put("msg", msg);
		return r;
	}
	
	public static R ok(Map<String, Object> map) {
		R r = new R();
		r.putAll(map);
		return r;
	}
	
	public static R ok() {
		return new R();
	}

	public R put(String key, Object value) {
		super.put(key, value);
		return this;
	}
}
